[see also: away, beyond, outside
a function with poles off K <vanishing off K>
an extension of f off U
The kernel is C0 on X× X off the diagonal.
a Blaschke product with at least one zero off the origin
If we stay a fixed distance off the critical line, we do not expect Benford behaviour.
We close this off by characterizing......
Continuity then finishes off the argument.
This can be read off from (8).